Leg sling



FIG. 1 is a front, right, top perspective view of a leg sling, showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showings in the drawings are for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design for a leg sling, as shown and described. 